Know Your Environment. Protect Your Health.

Cobalt

Whitworth Water District 2

Cobalt is a metal found throughout the environment; people may be exposed to cobalt in air, food and drinking water.

 

28

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND140ND
2015ND140ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 70 ppb

The EWG Health Guideline of 70 ppb for cobalt was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against change in blood chemistry.

ppb = parts per billion

All test results

Date Lab ID Result
2014-07-15140717051-011ND
2014-07-15140717051-004ND
2014-07-15140717051-002ND
2014-07-15140717051-003ND
2014-07-15140717051-010ND
2014-07-15140717051-009ND
2014-07-15140717051-013ND
2014-07-15140717051-006ND
2014-07-16140717051-005ND
2014-07-16140717051-014ND
2014-07-16140717051-012ND
2014-07-16140717051-007ND
2014-07-16140717051-001ND
2014-07-16140717051-008ND
2015-01-12150113001-005ND
2015-01-12150113001-010ND
2015-01-12150113001-002ND
2015-01-12150113001-003ND
2015-01-12150113001-001ND
2015-01-12150113001-004ND
2015-01-12150113001-009ND
2015-01-12150113001-008ND
2015-01-12150113001-006ND
2015-01-12150113001-007ND
2015-01-13150113050-001ND
2015-01-13150113050-002ND
2015-03-03150306022-002ND
2015-03-03150306022-001ND